MLA

Wharton, Edith, 1862-1937. Taillandier, Madeleine Saint René. Box 30, folder 930. 1916-33. https://collections.library.yale.edu/catalog/32182765.

APA, 6th edition

Wharton, Edith, 1862-1937. (["Box 30, folder 930"])(1916-33)[Taillandier, Madeleine Saint René]. https://collections.library.yale.edu/catalog/32182765.